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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by ob28130[/i] [br]OriginPro 2018 (64-bit) SR1 - b9.5.1.195 Operating system: Windows 11 Hi everyone, I'm dealing with a Scanning Electron Microscope image containing a microstructure with multiple grains and I computed the area of this grains with the intent of plotting an histogram of the equivalent diameter. Everything went good so far and now I want to add a distribution curve on top of the histogram (which, by the way, is in counts vs diameter(nm)). If I go on "Plot details" I can add the distribution curve by selecting the appropriate distribution function and that's easily done. I also found on internet that another way of doing so is plotting the counts for each bin class and fitting a function on the resulting scatter plot. However, If I select the same fitting function, the new curve differs a bit from the one computed automatically using the "Plot Details" tab. How come so? There must be a difference in the way the curve is created using the two methods but the one computed by "Plot details" is a bit of a black box to me so I don't know which of the two should I prefer. Thanks in advance for any reply. [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.